Submission #1267106

#	Time	Username	Problem	Language	Result	Execution time	Memory
1267106		vtnoo	Unscrambling a Messy Bug (IOI16_messy)	C++20	20 / 100	0 ms	328 KiB

messy

#include <bits/stdc++.h>

using namespace std;

void add_element(std::string x);
bool check_element(std::string x);
void compile_set();

std::vector<int> restore_permutation(int n, int w, int r){
    vector<int> v(n);
    for(int i=0;i<n;i++)v[i]=i;
    string s=string(n,'0');
    for(int i=0;i<n;i++){
        s[i]='1';
        add_element(s);
    }
    compile_set();
    string ss=string(n,'0');
    for(int i=0;i<n;i++){
        ss[i]='1';
        if(!check_element(ss)){
            break;
        }
    }
    for(int i=0;i<n;i++){
        for(int j=0;j<n;j++){
            swap(ss[i], ss[j]);
            swap(v[i], v[j]);
            if(check_element(ss)){
                return v;
            }
            swap(ss[i], ss[j]);
            swap(v[i], v[j]);
        }
    }
}

Compilation message (stderr)

messy.cpp: In function 'std::vector<int> restore_permutation(int, int, int)':
messy.cpp:36:1: warning: control reaches end of non-void function [-Wreturn-type]
   36 | }
      | ^
messy.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
messy_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

• Subtask 1: 20 / 20
• Subtask 2: 0 / 18
• Subtask 3: 0 / 11
• Subtask 4: 0 / 21
• Subtask 5: 0 / 30